Suction head



FIG. 1 is a front perspective view of a suction head showing my newdesign;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof; and,

FIG. 5 is a front view thereof.

The portions of the design in dashed lines are for illustrative purposesonly and form no part of the claimed design.

CLAIM The ornamental design for a suction head, as shown and described.